Login    Register
User Information
Username:
Password:
We are a free and open
community, all are welcome.
Click here to Register
Sponsored
Who is online

In total there are 61 users online :: 5 registered, 0 hidden and 56 guests


Most users ever online was 155 on Mon Aug 15, 2016 1:40 am

Registered users: Bing [Bot], Google [Bot], Gussmoore, MSNbot Media, Yahoo [Bot] based on users active over the past 5 minutes

The Team
Administrators
Global Moderators
global_moderators.png CS

hows my piston lookin?

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
Sponsored 
  • Author
    Message

hows my piston lookin?

Unread postAuthor: thespeedycicada » Sun Jan 13, 2008 9:09 pm

Does my new piston look ok? it is a piece of wood dowel with some electrical tape around it and a rubber eraser/duct tape sealing face.
Want to make sure its ok before i put it in my new gun!
  • 0

Attachments
P1010195.JPG
Perfect fit!
P1010195.JPG (23.76 KiB) Viewed 322 times
P1010193.JPG
The ugly sealing face.
P1010193.JPG (23.61 KiB) Viewed 322 times
P1010192.JPG
the piston in its ghettoish glory.
P1010192.JPG (22.43 KiB) Viewed 322 times
current projects: co-axial piston valve.Status DONE!
S.P.E.C.S update mk 1 construction begining in febuary all the maths for it are done plans are drawn up and parts are listed.
NEXT project:auto piston valve.
User avatar
thespeedycicada
Lieutenant Colonel
Lieutenant Colonel
 
Posts: 429
Joined: Sun Aug 12, 2007 1:28 am
Reputation: 0

Unread postAuthor: e1337 » Sun Jan 13, 2008 9:13 pm

Good, Have you tested it yet? What size pipe does it fit into? I need Specs!

e1337
  • 0


e1337
Staff Sergeant
Staff Sergeant
 
Posts: 110
Joined: Mon May 28, 2007 8:00 pm
Location: Florida
Reputation: 0

Unread postAuthor: bigbob12345 » Sun Jan 13, 2008 9:14 pm

looks good to me I dont see any thing wrong with it
it looks like it fits into 3/4in pipe
  • 0

Last edited by bigbob12345 on Sun Jan 13, 2008 9:16 pm, edited 1 time in total.
User avatar
bigbob12345
Major General
Major General
 
Posts: 1516
Joined: Sat Dec 01, 2007 9:13 am
Location: Mercer Island,Washington
Reputation: 0

Unread postAuthor: hi » Sun Jan 13, 2008 9:16 pm

its kinda looks like a dowel wrapped in electrical tape with a piece of rubber glues onto it. not the most attractive piston, as im sure you are aware, but it will work.
  • 0

"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
User avatar
hi
Major General
Major General
 
Posts: 1619
Joined: Thu Feb 01, 2007 9:28 pm
Reputation: 0

Unread postAuthor: Isomer » Sun Jan 13, 2008 9:16 pm

I would suggest getting a larger size dowel and sanding it down to the perfect size to avoid using electrical tape for a buffer. But if i were you, i'd just do that on the next one, this one is already finished and it looks great.
But you might have problems with the duct tape sealing, maybe try a piece of rubber if it doesn't.
Good Job
  • 0

User avatar
Isomer
Sergeant
Sergeant
 
Posts: 81
Joined: Fri Jan 04, 2008 9:35 pm
Reputation: 0

Unread postAuthor: hi » Sun Jan 13, 2008 9:18 pm

i agree wit isomer. get a new seal face, cut some off of an inner tube of a bike. the piston is ok as it is though. i dont think duct tape will seal well.
  • 0

"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
User avatar
hi
Major General
Major General
 
Posts: 1619
Joined: Thu Feb 01, 2007 9:28 pm
Reputation: 0

Unread postAuthor: MrCrowley » Sun Jan 13, 2008 9:19 pm

Yeah i'm not sure about the duct tape as a sealing face. Just glue some rubber on it.

Also you should lube it up, apart from that it looks OK.
  • 0

User avatar
MrCrowley
Moderator
Moderator
 
Posts: 10207
Joined: Fri Jun 23, 2006 10:42 pm
Location: Auckland, New Zealand
Country: New Zealand (nz)
Reputation: 4

Sponsored

Sponsor
 


Unread postAuthor: thespeedycicada » Sun Jan 13, 2008 9:20 pm

the duct tape is off now its just the rubber eraser as the sealing face.
  • 0

current projects: co-axial piston valve.Status DONE!
S.P.E.C.S update mk 1 construction begining in febuary all the maths for it are done plans are drawn up and parts are listed.
NEXT project:auto piston valve.
User avatar
thespeedycicada
Lieutenant Colonel
Lieutenant Colonel
 
Posts: 429
Joined: Sun Aug 12, 2007 1:28 am
Reputation: 0

Return to Pneumatic Cannon Discussion

Who is online

Registered users: Bing [Bot], Google [Bot], Gussmoore, MSNbot Media, Yahoo [Bot]

Reputation System ©'